| Latviešu teātris | Latviešu teātris | Latvia, ?, ? | 1918-03-13 | -- | 1918 | 1 | |
| Lappeenranta | Lappeenranta | Finland, Lappeenranta | 1973-08-01 | -- | 1973 | 1 | |
| Lyngmyr ungdomsskole | Lyngmyr ungdomsskole | Norway, Tvedestrand | 1997-09-04 | 1997-09-06 | 1997 | 1 | |
| Laurel Tree Theater | Laurel Tree Theater | United States of America, Philadelphia | 2021-03-23 | 2021-04-09 | 2021 | 1 | |
| La Salita | La Salita | Chile, Santiago | 1990-12-08 | -- | 1990 | 1 | |
| Lincoln Performance Hall | Lincoln Performance Hall | United States of America, Portland, 1620 SW Park Avenue | 2007-02-22 | 2007-03-03 | 2007 | 1 | |
| La Crosse | La Crosse | United States of America, La Crosse | 1903-11-10 | 1903-11-10 | 1903 | 1 | |
| Litlabø | Litlabø | Norway, Stord | 1958-03-03 | -- | 1958 | 1 | |
| Leiden | Leiden | Netherlands, Leiden | 2002-06-17 | 2002-06-18 | 2002 | 1 | |
| Library Theatre | Library Theatre | England, Manchester, Central Library, St Peter's Square | 1996-03-19 | 1996-03-23 | 1996 | 1 | |
| Litchfield Hills Theatre | Litchfield Hills Theatre | United States of America, Litchfield | 1939-08-15 | -- | 1939 | 1 | |
| Lier kommunale lokale | Lier kommunale lokale | Norway, Lier, Vestsideveien 2 | 1928-01-22 | -- | 1928 | 1 | |
| Landskrona | Landskrona | Sweden, Landskrona | 1936-10-19 | -- | 1936 | 1 | |
| Law Center for the Arts, West Virginia Wesleyan | Law Center for the Arts, West Virginia Wesleyan | United States of America, Buckhannon, 59 College Avenue | 2009-11-11 | -- | 2009 | 1 | |
| Lunde barneskole | Lunde barneskole | Norway, Skien, Skien | 2006-11-20 | -- | 2006 | 1 | |
| LOFFT | LOFFT | Germany, Leipzig, Lindenauer Markt 21 | 2012-03-22 | -- | 2012 | 1 | |
| Lloyd's Opera House | Lloyd's Opera House | United States of America, North Platte | 1908-06-11 | 1908-06-11 | 1908 | 1 | |
| Leighton House Museum | Leighton House Museum | England, London, 12 Holland Park Road, Holland Park, | 2014-04-01 | 2014-04-02 | 2014 | 1 | |
| Lavikdal | Lavikdal | Norway, Lavik | 1971-03-02 | -- | 1971 | 1 | |
| Loge, La | La Loge | France, Paris, 77 Rue de Charonne | 2016-05-10 | 2016-05-13 | 2016 | 1 | |
| Landsberg (Warthe) | Landsberg (Warthe) | Poland, Gorzów Wielkopolski | 1928-03-20 | -- | 1928 | 1 | |
| Lycée de Thiaroye | Lycée de Thiaroye | Senegal, Thiaroye | 2021-05-08 | -- | 2021 | 1 | |
| Landbruksskolen | Landbruksskolen | Norway, Melsomvik | 1963-01-18 | -- | 1963 | 1 | |
| Limfjord, Kulturcenter | Kulturcenter Limfjord | Denmark, Skive, Skyttevej 12 | 2018-09-24 | -- | 2018 | 1 | |
| Lees Main Stage, University of Utah | Lees Main Stage, University of Utah | United States of America, Salt Lake City, 201 Presidents Cir | 1991-03-20 | 1991-04-06 | 1991 | 1 | |
| Le Théâtre | Le Théâtre | France, Auxerre, 54 Rue Joubert | 1999-03-27 | -- | 1999 | 1 | |
| Little Theatre | Little Theatre | United States of America, Cincinnati | 1913-- | 1913-- | 1913 | 1 | |
| Laurie Theater ved Brandeis University | Laurie Theater ved Brandeis University | United States of America, Waltham | 1968-06-21 | 1968-06-22 | 1968 | 1 | |
| Little Theatre, Central Hall, Hillsdale College | Little Theatre, Central Hall, Hillsdale College | United States of America, Hillsdale, 33 E College St | 1933-12-19 | -- | 1933 | 1 | |
| Load of Fun | Load of Fun | United States of America, Baltimore, 120 W North Ave | 2009-04-30 | 2009-05-24 | 2009 | 1 | |
| Líceum udvar | Líceum udvar | Hungary, Eger, Eszterházy tér 1 | 2007-08-17 | 2007-08-18 | 2007 | 1 | |
| Laxå | Laxå | Sweden, Laxå | 1992-10- | -- | 1992 | 1 | |
| Lyceum Theater | Lyceum Theater | United States of America, Ithaca | 1909-12-16 | -- | 1909 | 1 | |
| Litteraturhuset | Litteraturhuset | Norway, Oslo, Wergelandsveien 29 | 2023-04-14 | 2023-04-04 | 2023 | 1 | |
| Laboratorio Teatrale Universitario | Laboratorio Teatrale Universitario | Italy, Rome | 1988-05-10 | -- | 1988 | 1 | |
| Linsly-Chittenden Hall at Yale University | Linsly-Chittenden Hall at Yale University | United States of America, New Haven, 55 Whitney Avenue, Suite 400 | 2012-11-12 | -- | 2012 | 1 | |
| Lubuski Teatr im. Leona Kruczkowskiego | Lubuski Teatr im. Leona Kruczkowskiego | Poland, Zielona Góra, aleja Niepodległości 3/5 | 2006-06-10 | 2006-11-21 | 2006 | 1 | |
| Löwenarena Sommeri | Löwenarena Sommeri | Switzerland, Sommeri | 1989-03-18 | -- | 1989 | 1 | |
| Lux Radio Theatre | Lux Radio Theatre | United States of America, Los Angelos, 1615 North Vine Street | 1938-06-06 | -- | 1938 | 1 | |
| Lenin Balavadi | Lenin Balavadi | India, Thiruvananthapuram | 2010-04-06 | -- | 2010 | 1 | |
| Latvia | Latvia | Latvia, Latvia | 1923-09-02 | -- | 1923 | 1 | |
| Latzer Hall | Latzer Hall | United States of America, Champaign, 1001 S. Wright Street | 1947-12-10 | -- | 1947 | 1 | |
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